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Explained by Louis Pasteur (1822-1895), the use of vaccines then spread throughout the world
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Created by Alessandro Volta (1745-1827), used to stock leftover energy
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Invented by Thomas Moore (1760-1822), made to keep food fresh without altering the taste
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Designed by John Deere (1804-1886) to plough the american ground and gain more time
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Created by Alfred Nobel (1833-1896), helped to create tunnels or to mine